Measuring Soil Moisture

Soil Moisture Sensor can be used to detect the moisture of soil if there is water around the sensor, let the plants in your garden reach out for human help. They can be very easy to use, just insert it into the soil and then read it. With the help of this sensor, we will know soil state.

Soil Moisture Sensor

Reference : Grove Moisture Sensor

Compare of adding the water before and after

 

Dry soil                  Humid soil

Changes in the soil moisture during a three day period
Sensor A : Value from 480 to 310 (-35%)
Sensor B : Value from 380 to 280 (-26%)
Sensor C : Value from 500 to 440 (-12%)

Compare of adding the 100ml water before and after
Sensor A : Value from 310 to 700 (+126%)
Sensor B : Value from 280 to 520 (+86%)
Sensor C : Value from 440 to 700 (+59%)

Add water tool